ThreatCluster

Surge in Calendar Phishing Attacks Targeting Google and Microsoft Users

First seen 11 Nov 2025, 16:33 UTC •ForbesMsspalert •31

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ThreatCluster

Sublime Security has reported a significant increase in phishing attacks utilizing calendar invites, specifically targeting users of Google Workspace and Microsoft 365. These attacks exploit social engineering tactics to bypass security filters, allowing attackers to infiltrate systems more effectively.

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